- Discussion:
- a monarticular synovial proliferative disease which is characterized by the
metaplastic conversion of cartilagenous tissue to ossified loose bodies;
- cartilagenous or osteocartilaginous metaplasia takes place w/in the synovial
membrane of joints, bursae, or tendon sheaths;
- seen most often in middle-aged men;
- pts report pain and limitation of motion;
-
location:
- over one half of cases occur in the knee, followed by the elbow;
- other common sites include the hip, shoulder, wrist and ankle;
- when located in the foot or ankle the term " soft tissue chondroma" may be used;
-
classification:
- early: no loose bodies but active synovial disease;
- transitional: active synovial disease, and loose bodies;
- late: loose bodies but no synovial disease;
-
diff dx:
-
hemangioma
-
tumoral calcinosis
- soft tissue chondroma
-
dermatomyositis
-
hyperparathyroidism
- hypervitaminosis D
- idiopathic hypercalcemia
- Radiographs:
- intraarticular loose bodies are seen in > 70%;
- when radiographs are negative, MRI may show cartilagenous bodies;
- MRI will show high signal on T2 weighted images;
- Treatment:
- total open synovectomy is the treatment of choice;
- recurrence rate is over 25%;
Year Book: Synovial Chondromatosis.
Extra-articular synovial chondromatosis.
Synovial osteochondromatosis: a histopathological study of thirty cases.
Primary synovial chondromatosis of the ankle. A case report.
Generalized synovial chondromatosis of the knee: A comparison of removal of the loose bodies alone with arthroscopic synovectomy.
DJ Ogilvie-Harris, K Saleh.
Arthroscopy. Vol 10, 1994. p 166-170.
Surgery for synovial chondromatosis: 26 cases followed up for 6 years.
T Shpitzer, A Ganel, S Engelberg.
Acta Orthop Scand. Vol 61, 1990. p 567-569.
Synovial Chondromatosis.
WJ Wilson and TJ Parr.
Orthopedics.
Vol 11. 1988. p 1179-1183.
Chromosome rearrangements in synovial chondromatous lesions.
F Mertens et al.
Br. J. Cancer. Vol 74. 1996. p 251-254.
Synovial osteochondromatosis of the elbow
S. Kamineni; S. W. O'Driscoll; B. F. Morrey Volume 84-B Number 7 September 2002 961
